Tyrant CNC’s magazine extension is engineered for the Sig Sauer P365 X-Macro to provide a three-round capacity increase for compatible 9mm magazines. CNC-machined from 6061 aerospace-grade aluminum and finished in matte black, the extension uses Tyrant CNC’s NoBak retention spring technology for secure magazine retention. Dimensions and profile are matched to the P365 X-Macro frame to reduce printing and maintain a compact carry footprint. The design focuses on durability and functional fit for everyday carry and use.
Key Specifications
- Capacity increase: adds +3 rounds to compatible P365 X-Macro magazines.
- Resulting capacity: brings total to 20 (+1) for the stated compatible magazine configuration.
- Material: CNC machined from 6061 aluminum.
- Finish: Matte black.
- Fitment: designed for Sig Sauer P365 X-Macro magazines.
- Retention: features Tyrant CNC’s NoBak retention spring technology.
- Product type: Magazine extension.
- Color: Black.
- Model: P365-XMACRO.
- Dimensions (as provided): 1.35 x 3.05 x 6.35.
Precision-machined and built to integrate cleanly with the P365 X-Macro profile, this Tyrant CNC extension offers a straightforward capacity upgrade without substantially altering carry ergonomics. Its aircraft-grade aluminum construction and retention system make it a durable option for users seeking a compact, reliable way to gain extra rounds while preserving a low-profile carry setup.





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